What Causes Hand Eczema?
Apr 25, 2022
Source: Cainiu Health
Dr. Liu Wan
Introduction
Eczema is a very common allergic dermatological condition that can occur on any part of the body; hand involvement is also frequently observed clinically. Because hands are constantly exposed to various physical and chemical agents—as well as alkaline external irritants—these factors can impair the skin’s barrier function. Eczema is a delayed-type hypersensitivity reaction.
Hand eczema is highly prevalent, and its occurrence can significantly impair hand function and daily activities. So, what causes hand eczema?
What Causes Hand Eczema?
Eczema is a very common allergic skin disorder in dermatology, capable of affecting any part of the body—including the hands, which are among the most frequently involved sites clinically. Because hands constantly come into contact with various physical and chemical agents—including alkaline substances from the external environment—these exposures may compromise the skin’s barrier function. Eczema is a delayed-type hypersensitivity reaction: initial exposure to an allergen typically causes no symptoms, but after a period of time, immunological changes occur within the body; upon re-exposure, individuals with atopic (allergy-prone) constitutions may develop eczematous changes on the hands. Consequently, hand eczema is extremely common in clinical practice.
In Japan, hand eczema is commonly referred to as “housewife’s eczema.” Its predilection for the hands—as opposed to the face—is clearly linked to repeated contact with irritants. Both excessive cleanliness and excessive dirtiness during household chores can be contributing factors. For instance, handling yam peel can trigger allergic reactions, as can strong-alkaline detergents and soaps. Occupational exposures also play a role—for example, hairdressers, nail technicians, pianists, and frequent keyboard users are all at increased risk due to repetitive contact with specific substances or materials.
Young adults are particularly prone to anxiety and stress. Previous studies by dermatologists have revealed associations between hand eczema and psychological states such as tension, anxiety, and even depression. Stress often exacerbates hand eczema, and symptoms frequently worsen with overtime work or sleep deprivation. We hope this article proves helpful to you!
